p0100 code

2006 CHEVROLET IMPALA
125,000 MILES
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CABBY022
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  • 6 POSTS
replaced mass air flow assembly, with new air filter, checked for vacuum leaks, ( none) when i clear code car runs without engine light on, once car is shutt off and restarted engine light appears p0100. any ideas? mike
Apr 27, 2013 at 9:33 AM
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WRENCHTECH
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  • 20,761 POSTS
The reason it acts that way is because it is a 2 trip code. Apparently the sensor itself was not the problem and it needs to be troubleshooted further. Could be wiring, PCM or a mechanical air flow issue in the engine.
Apr 27, 2013 at 9:59 AM
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CABBY022
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  • 6 POSTS
ok thanks i will check the wiring harness
Apr 27, 2013 at 10:50 AM
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